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<div id="projectname">libaaruformat<span id="projectnumber"> 1.0</span>
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<div id="projectbrief">Aaru Data Preservation Suite - Format Library</div>
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<div class="header">
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<div class="headertitle"><div class="title">flac.c File Reference</div></div>
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</div><!--header-->
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<div class="contents">
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<div class="textblock"><code>#include <stdint.h></code><br />
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<code>#include <stdlib.h></code><br />
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<code>#include <string.h></code><br />
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<code>#include "<a class="el" href="aaruformat_8h_source.html">aaruformat.h</a>"</code><br />
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<code>#include "<a class="el" href="flac_8h_source.html">flac.h</a>"</code><br />
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<code>#include "FLAC/metadata.h"</code><br />
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<code>#include "FLAC/stream_decoder.h"</code><br />
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<code>#include "FLAC/stream_encoder.h"</code><br />
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</div>
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<p><a href="flac_8c_source.html">Go to the source code of this file.</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 id="header-func-members" class="groupheader"><a id="func-members" name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:a4ae2146e619c2a746b41c778f71f2e8c" id="r_a4ae2146e619c2a746b41c778f71f2e8c"><td class="memItemLeft" align="right" valign="top">static FLAC__StreamDecoderReadStatus </td><td class="memItemRight" valign="bottom"><a class="el" href="#a4ae2146e619c2a746b41c778f71f2e8c">read_callback</a> (const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data)</td></tr>
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<tr class="memitem:ad65b9acb1c0c9401aacf5e711c2c6cf7" id="r_ad65b9acb1c0c9401aacf5e711c2c6cf7"><td class="memItemLeft" align="right" valign="top">static FLAC__StreamDecoderWriteStatus </td><td class="memItemRight" valign="bottom"><a class="el" href="#ad65b9acb1c0c9401aacf5e711c2c6cf7">write_callback</a> (const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 *const buffer[], void *client_data)</td></tr>
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<tr class="memitem:ae0a385215d06bca05d1212caa0d0fa23" id="r_ae0a385215d06bca05d1212caa0d0fa23"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ae0a385215d06bca05d1212caa0d0fa23">error_callback</a> (const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)</td></tr>
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<tr class="memitem:af0ff6ad1495d50a8fa0ce0005be69471" id="r_af0ff6ad1495d50a8fa0ce0005be69471"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="#af0ff6ad1495d50a8fa0ce0005be69471">aaruf_flac_decode_redbook_buffer</a> (uint8_t *dst_buffer, size_t dst_size, const uint8_t *src_buffer, size_t src_size)</td></tr>
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<tr class="memdesc:af0ff6ad1495d50a8fa0ce0005be69471"><td class="mdescLeft"> </td><td class="mdescRight">Decodes a FLAC-compressed Red Book audio buffer. <br /></td></tr>
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<tr class="memitem:a4c8139a16dc0f340140a71a2322f9c26" id="r_a4c8139a16dc0f340140a71a2322f9c26"><td class="memItemLeft" align="right" valign="top">static FLAC__StreamEncoderWriteStatus </td><td class="memItemRight" valign="bottom"><a class="el" href="#a4c8139a16dc0f340140a71a2322f9c26">encoder_write_callback</a> (const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame, void *client_data)</td></tr>
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<tr class="memitem:a102023fe64e4bd24cd6d4124f0d74e54" id="r_a102023fe64e4bd24cd6d4124f0d74e54"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="#a102023fe64e4bd24cd6d4124f0d74e54">aaruf_flac_encode_redbook_buffer</a> (uint8_t *dst_buffer, size_t dst_size, const uint8_t *src_buffer, size_t src_size, uint32_t blocksize, int32_t do_mid_side_stereo, int32_t loose_mid_side_stereo, const char *apodization, uint32_t max_lpc_order, uint32_t qlp_coeff_precision, int32_t do_qlp_coeff_prec_search, int32_t do_exhaustive_model_search, uint32_t min_residual_partition_order, uint32_t max_residual_partition_order, const char *application_id, uint32_t application_id_len)</td></tr>
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<tr class="memdesc:a102023fe64e4bd24cd6d4124f0d74e54"><td class="mdescLeft"> </td><td class="mdescRight">Encodes a Red Book audio buffer to FLAC format. <br /></td></tr>
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</table>
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<a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Function Documentation</h2>
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<a id="af0ff6ad1495d50a8fa0ce0005be69471" name="af0ff6ad1495d50a8fa0ce0005be69471"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#af0ff6ad1495d50a8fa0ce0005be69471">◆ </a></span>aaruf_flac_decode_redbook_buffer()</h2>
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<div class="memitem">
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<td class="memname">size_t aaruf_flac_decode_redbook_buffer </td>
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<td>(</td>
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<td class="paramtype">uint8_t *</td> <td class="paramname"><span class="paramname"><em>dst_buffer</em></span>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">size_t</td> <td class="paramname"><span class="paramname"><em>dst_size</em></span>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const uint8_t *</td> <td class="paramname"><span class="paramname"><em>src_buffer</em></span>, </td>
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<td></td>
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<td class="paramtype">size_t</td> <td class="paramname"><span class="paramname"><em>src_size</em></span> )</td>
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</div><div class="memdoc">
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<p>Decodes a FLAC-compressed Red Book audio buffer. </p>
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<p>Decompresses FLAC-compressed Red Book audio data into the destination buffer.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">dst_buffer</td><td>Pointer to the destination buffer. </td></tr>
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<tr><td class="paramname">dst_size</td><td>Size of the destination buffer. </td></tr>
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<tr><td class="paramname">src_buffer</td><td>Pointer to the source (compressed) buffer. </td></tr>
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<tr><td class="paramname">src_size</td><td>Size of the source buffer. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Number of bytes written to the destination buffer. </dd></dl>
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<p class="definition">Definition at line <a class="el" href="flac_8c_source.html#l00048">48</a> of file <a class="el" href="flac_8c_source.html">flac.c</a>.</p>
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<p class="reference">References <a class="el" href="decls_8h_source.html#l00045">AARU_CALL</a>, <a class="el" href="decls_8h_source.html#l00054">AARU_EXPORT</a>, <a class="el" href="flac_8h_source.html#l00027">aaru_flac_ctx::dst_buffer</a>, <a class="el" href="flac_8h_source.html#l00028">aaru_flac_ctx::dst_len</a>, <a class="el" href="flac_8h_source.html#l00029">aaru_flac_ctx::dst_pos</a>, <a class="el" href="flac_8h_source.html#l00030">aaru_flac_ctx::error</a>, <a class="el" href="flac_8c_source.html#l00141">error_callback()</a>, <a class="el" href="flac_8c_source.html#l00097">read_callback()</a>, <a class="el" href="flac_8h_source.html#l00024">aaru_flac_ctx::src_buffer</a>, <a class="el" href="flac_8h_source.html#l00025">aaru_flac_ctx::src_len</a>, <a class="el" href="flac_8h_source.html#l00026">aaru_flac_ctx::src_pos</a>, and <a class="el" href="flac_8c_source.html#l00112">write_callback()</a>.</p>
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<p class="reference">Referenced by <a class="el" href="read_8c_source.html#l00250">aaruf_read_sector()</a>.</p>
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<a id="a102023fe64e4bd24cd6d4124f0d74e54" name="a102023fe64e4bd24cd6d4124f0d74e54"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a102023fe64e4bd24cd6d4124f0d74e54">◆ </a></span>aaruf_flac_encode_redbook_buffer()</h2>
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<td class="memname">size_t aaruf_flac_encode_redbook_buffer </td>
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<td>(</td>
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<td class="paramtype">uint8_t *</td> <td class="paramname"><span class="paramname"><em>dst_buffer</em></span>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">size_t</td> <td class="paramname"><span class="paramname"><em>dst_size</em></span>, </td>
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<td class="paramtype">const uint8_t *</td> <td class="paramname"><span class="paramname"><em>src_buffer</em></span>, </td>
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<td class="paramtype">size_t</td> <td class="paramname"><span class="paramname"><em>src_size</em></span>, </td>
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<td class="paramtype">uint32_t</td> <td class="paramname"><span class="paramname"><em>blocksize</em></span>, </td>
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<td class="paramtype">int32_t</td> <td class="paramname"><span class="paramname"><em>do_mid_side_stereo</em></span>, </td>
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<td class="paramtype">int32_t</td> <td class="paramname"><span class="paramname"><em>loose_mid_side_stereo</em></span>, </td>
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<td class="paramtype">const char *</td> <td class="paramname"><span class="paramname"><em>apodization</em></span>, </td>
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<td class="paramtype">uint32_t</td> <td class="paramname"><span class="paramname"><em>max_lpc_order</em></span>, </td>
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<td class="paramtype">uint32_t</td> <td class="paramname"><span class="paramname"><em>qlp_coeff_precision</em></span>, </td>
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<td class="paramtype">int32_t</td> <td class="paramname"><span class="paramname"><em>do_qlp_coeff_prec_search</em></span>, </td>
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<td class="paramtype">int32_t</td> <td class="paramname"><span class="paramname"><em>do_exhaustive_model_search</em></span>, </td>
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<td class="paramtype">uint32_t</td> <td class="paramname"><span class="paramname"><em>min_residual_partition_order</em></span>, </td>
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<td class="paramtype">uint32_t</td> <td class="paramname"><span class="paramname"><em>max_residual_partition_order</em></span>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const char *</td> <td class="paramname"><span class="paramname"><em>application_id</em></span>, </td>
|
||
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|
||
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<td></td>
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<td class="paramtype">uint32_t</td> <td class="paramname"><span class="paramname"><em>application_id_len</em></span> )</td>
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</div><div class="memdoc">
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||
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<p>Encodes a Red Book audio buffer to FLAC format. </p>
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||
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<dl class="params"><dt>Parameters</dt><dd>
|
||
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<table class="params">
|
||
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<tr><td class="paramname">dst_buffer</td><td>Pointer to the destination buffer for FLAC data. </td></tr>
|
||
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<tr><td class="paramname">dst_size</td><td>Size of the destination buffer in bytes. </td></tr>
|
||
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<tr><td class="paramname">src_buffer</td><td>Pointer to the source Red Book audio buffer. </td></tr>
|
||
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<tr><td class="paramname">src_size</td><td>Size of the source buffer in bytes. </td></tr>
|
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<tr><td class="paramname">blocksize</td><td>FLAC block size. </td></tr>
|
||
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<tr><td class="paramname">do_mid_side_stereo</td><td>Enable mid-side stereo encoding. </td></tr>
|
||
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<tr><td class="paramname">loose_mid_side_stereo</td><td>Enable loose mid-side stereo encoding. </td></tr>
|
||
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<tr><td class="paramname">apodization</td><td>Apodization string for FLAC encoder. </td></tr>
|
||
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<tr><td class="paramname">max_lpc_order</td><td>Maximum LPC order. </td></tr>
|
||
|
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<tr><td class="paramname">qlp_coeff_precision</td><td>QLP coefficient precision. </td></tr>
|
||
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<tr><td class="paramname">do_qlp_coeff_prec_search</td><td>Enable QLP coefficient precision search. </td></tr>
|
||
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<tr><td class="paramname">do_exhaustive_model_search</td><td>Enable exhaustive model search. </td></tr>
|
||
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<tr><td class="paramname">min_residual_partition_order</td><td>Minimum residual partition order. </td></tr>
|
||
|
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<tr><td class="paramname">max_residual_partition_order</td><td>Maximum residual partition order. </td></tr>
|
||
|
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<tr><td class="paramname">application_id</td><td>Application ID string for FLAC encoder. </td></tr>
|
||
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<tr><td class="paramname">application_id_len</td><td>Length of the application ID string. </td></tr>
|
||
|
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</table>
|
||
|
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</dd>
|
||
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</dl>
|
||
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<dl class="section return"><dt>Returns</dt><dd>Number of bytes written to the destination buffer. </dd></dl>
|
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<p class="definition">Definition at line <a class="el" href="flac_8c_source.html#l00175">175</a> of file <a class="el" href="flac_8c_source.html">flac.c</a>.</p>
|
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|
||
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<p class="reference">References <a class="el" href="decls_8h_source.html#l00045">AARU_CALL</a>, <a class="el" href="decls_8h_source.html#l00054">AARU_EXPORT</a>, <a class="el" href="flac_8h_source.html#l00027">aaru_flac_ctx::dst_buffer</a>, <a class="el" href="flac_8h_source.html#l00028">aaru_flac_ctx::dst_len</a>, <a class="el" href="flac_8h_source.html#l00029">aaru_flac_ctx::dst_pos</a>, <a class="el" href="flac_8c_source.html#l00275">encoder_write_callback()</a>, <a class="el" href="flac_8h_source.html#l00030">aaru_flac_ctx::error</a>, <a class="el" href="flac_8h_source.html#l00024">aaru_flac_ctx::src_buffer</a>, <a class="el" href="flac_8h_source.html#l00025">aaru_flac_ctx::src_len</a>, and <a class="el" href="flac_8h_source.html#l00026">aaru_flac_ctx::src_pos</a>.</p>
|
||
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|
||
|
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<p class="reference">Referenced by <a class="el" href="write_8c_source.html#l01383">aaruf_close_current_block()</a>.</p>
|
||
|
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|
||
|
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</div>
|
||
|
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</div>
|
||
|
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<a id="a4c8139a16dc0f340140a71a2322f9c26" name="a4c8139a16dc0f340140a71a2322f9c26"></a>
|
||
|
|
<h2 class="memtitle"><span class="permalink"><a href="#a4c8139a16dc0f340140a71a2322f9c26">◆ </a></span>encoder_write_callback()</h2>
|
||
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|
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<div class="memitem">
|
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<div class="memproto">
|
||
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||
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|
||
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<table class="memname">
|
||
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<tr>
|
||
|
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<td class="memname">FLAC__StreamEncoderWriteStatus encoder_write_callback </td>
|
||
|
|
<td>(</td>
|
||
|
|
<td class="paramtype">const FLAC__StreamEncoder *</td> <td class="paramname"><span class="paramname"><em>encoder</em></span>, </td>
|
||
|
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|
||
|
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|
||
|
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<td class="paramkey"></td>
|
||
|
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<td></td>
|
||
|
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<td class="paramtype">const FLAC__byte</td> <td class="paramname"><span class="paramname"><em>buffer</em></span>[], </td>
|
||
|
|
</tr>
|
||
|
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<tr>
|
||
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<td class="paramkey"></td>
|
||
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<td></td>
|
||
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<td class="paramtype">size_t</td> <td class="paramname"><span class="paramname"><em>bytes</em></span>, </td>
|
||
|
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|
||
|
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<tr>
|
||
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<td class="paramkey"></td>
|
||
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<td></td>
|
||
|
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<td class="paramtype">uint32_t</td> <td class="paramname"><span class="paramname"><em>samples</em></span>, </td>
|
||
|
|
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|
||
|
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<tr>
|
||
|
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<td class="paramkey"></td>
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||
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<td></td>
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||
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<td class="paramtype">uint32_t</td> <td class="paramname"><span class="paramname"><em>current_frame</em></span>, </td>
|
||
|
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|
||
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<tr>
|
||
|
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<td class="paramkey"></td>
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||
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<td></td>
|
||
|
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<td class="paramtype">void *</td> <td class="paramname"><span class="paramname"><em>client_data</em></span> )</td>
|
||
|
|
</tr>
|
||
|
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</table>
|
||
|
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</td>
|
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<td class="mlabels-right">
|
||
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<span class="mlabels"><span class="mlabel static">static</span></span> </td>
|
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|
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<p class="definition">Definition at line <a class="el" href="flac_8c_source.html#l00275">275</a> of file <a class="el" href="flac_8c_source.html">flac.c</a>.</p>
|
||
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|
||
|
|
<p class="reference">References <a class="el" href="flac_8h_source.html#l00027">aaru_flac_ctx::dst_buffer</a>, <a class="el" href="flac_8h_source.html#l00028">aaru_flac_ctx::dst_len</a>, and <a class="el" href="flac_8h_source.html#l00029">aaru_flac_ctx::dst_pos</a>.</p>
|
||
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|
||
|
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<p class="reference">Referenced by <a class="el" href="flac_8c_source.html#l00175">aaruf_flac_encode_redbook_buffer()</a>.</p>
|
||
|
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|
||
|
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|
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</div>
|
||
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<a id="ae0a385215d06bca05d1212caa0d0fa23" name="ae0a385215d06bca05d1212caa0d0fa23"></a>
|
||
|
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<h2 class="memtitle"><span class="permalink"><a href="#ae0a385215d06bca05d1212caa0d0fa23">◆ </a></span>error_callback()</h2>
|
||
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||
|
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<div class="memitem">
|
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<div class="memproto">
|
||
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|
||
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<table class="memname">
|
||
|
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<tr>
|
||
|
|
<td class="memname">void error_callback </td>
|
||
|
|
<td>(</td>
|
||
|
|
<td class="paramtype">const FLAC__StreamDecoder *</td> <td class="paramname"><span class="paramname"><em>decoder</em></span>, </td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td class="paramkey"></td>
|
||
|
|
<td></td>
|
||
|
|
<td class="paramtype">FLAC__StreamDecoderErrorStatus</td> <td class="paramname"><span class="paramname"><em>status</em></span>, </td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td class="paramkey"></td>
|
||
|
|
<td></td>
|
||
|
|
<td class="paramtype">void *</td> <td class="paramname"><span class="paramname"><em>client_data</em></span> )</td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
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</td>
|
||
|
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<td class="mlabels-right">
|
||
|
|
<span class="mlabels"><span class="mlabel static">static</span></span> </td>
|
||
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</tr>
|
||
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</table>
|
||
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</div><div class="memdoc">
|
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<p class="definition">Definition at line <a class="el" href="flac_8c_source.html#l00141">141</a> of file <a class="el" href="flac_8c_source.html">flac.c</a>.</p>
|
||
|
|
|
||
|
|
<p class="reference">References <a class="el" href="flac_8h_source.html#l00030">aaru_flac_ctx::error</a>.</p>
|
||
|
|
|
||
|
|
<p class="reference">Referenced by <a class="el" href="flac_8c_source.html#l00048">aaruf_flac_decode_redbook_buffer()</a>.</p>
|
||
|
|
|
||
|
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|
||
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</div>
|
||
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<a id="a4ae2146e619c2a746b41c778f71f2e8c" name="a4ae2146e619c2a746b41c778f71f2e8c"></a>
|
||
|
|
<h2 class="memtitle"><span class="permalink"><a href="#a4ae2146e619c2a746b41c778f71f2e8c">◆ </a></span>read_callback()</h2>
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<div class="memitem">
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|
||
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<td class="memname">FLAC__StreamDecoderReadStatus read_callback </td>
|
||
|
|
<td>(</td>
|
||
|
|
<td class="paramtype">const FLAC__StreamDecoder *</td> <td class="paramname"><span class="paramname"><em>decoder</em></span>, </td>
|
||
|
|
</tr>
|
||
|
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<tr>
|
||
|
|
<td class="paramkey"></td>
|
||
|
|
<td></td>
|
||
|
|
<td class="paramtype">FLAC__byte</td> <td class="paramname"><span class="paramname"><em>buffer</em></span>[], </td>
|
||
|
|
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|
||
|
|
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|
||
|
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|
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|
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<td class="paramtype">size_t *</td> <td class="paramname"><span class="paramname"><em>bytes</em></span>, </td>
|
||
|
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|
||
|
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|
||
|
|
<td class="paramkey"></td>
|
||
|
|
<td></td>
|
||
|
|
<td class="paramtype">void *</td> <td class="paramname"><span class="paramname"><em>client_data</em></span> )</td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
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</td>
|
||
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<td class="mlabels-right">
|
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<span class="mlabels"><span class="mlabel static">static</span></span> </td>
|
||
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</tr>
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</table>
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</div><div class="memdoc">
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<p class="definition">Definition at line <a class="el" href="flac_8c_source.html#l00097">97</a> of file <a class="el" href="flac_8c_source.html">flac.c</a>.</p>
|
||
|
|
|
||
|
|
<p class="reference">References <a class="el" href="flac_8h_source.html#l00024">aaru_flac_ctx::src_buffer</a>, <a class="el" href="flac_8h_source.html#l00025">aaru_flac_ctx::src_len</a>, and <a class="el" href="flac_8h_source.html#l00026">aaru_flac_ctx::src_pos</a>.</p>
|
||
|
|
|
||
|
|
<p class="reference">Referenced by <a class="el" href="flac_8c_source.html#l00048">aaruf_flac_decode_redbook_buffer()</a>.</p>
|
||
|
|
|
||
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|
||
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</div>
|
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<a id="ad65b9acb1c0c9401aacf5e711c2c6cf7" name="ad65b9acb1c0c9401aacf5e711c2c6cf7"></a>
|
||
|
|
<h2 class="memtitle"><span class="permalink"><a href="#ad65b9acb1c0c9401aacf5e711c2c6cf7">◆ </a></span>write_callback()</h2>
|
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<div class="memitem">
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<div class="memproto">
|
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|
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|
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|
||
|
|
<td class="memname">FLAC__StreamDecoderWriteStatus write_callback </td>
|
||
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|
<td>(</td>
|
||
|
|
<td class="paramtype">const FLAC__StreamDecoder *</td> <td class="paramname"><span class="paramname"><em>decoder</em></span>, </td>
|
||
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|
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|
||
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|
||
|
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|
||
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|
||
|
|
<td class="paramtype">const FLAC__Frame *</td> <td class="paramname"><span class="paramname"><em>frame</em></span>, </td>
|
||
|
|
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|
||
|
|
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|
||
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||
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|
||
|
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<td class="paramtype">const FLAC__int32 *const</td> <td class="paramname"><span class="paramname"><em>buffer</em></span>[], </td>
|
||
|
|
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|
||
|
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|
||
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|
||
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<td></td>
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<td class="paramtype">void *</td> <td class="paramname"><span class="paramname"><em>client_data</em></span> )</td>
|
||
|
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|
||
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|
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|
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|
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<span class="mlabels"><span class="mlabel static">static</span></span> </td>
|
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<p class="definition">Definition at line <a class="el" href="flac_8c_source.html#l00112">112</a> of file <a class="el" href="flac_8c_source.html">flac.c</a>.</p>
|
||
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|
||
|
|
<p class="reference">References <a class="el" href="flac_8h_source.html#l00027">aaru_flac_ctx::dst_buffer</a>, <a class="el" href="flac_8h_source.html#l00028">aaru_flac_ctx::dst_len</a>, and <a class="el" href="flac_8h_source.html#l00029">aaru_flac_ctx::dst_pos</a>.</p>
|
||
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|
|
||
|
|
<p class="reference">Referenced by <a class="el" href="flac_8c_source.html#l00048">aaruf_flac_decode_redbook_buffer()</a>.</p>
|
||
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|
||
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|
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|
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</div><!-- contents -->
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<li class="navelem"><a href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a href="dir_40ed6a89610fc2370cf3ffcd6469b940.html">compression</a></li><li class="navelem"><a href="flac_8c.html">flac.c</a></li>
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